/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionFresnel.h
Allows the artists to quickly set up a Fresnel term. Returns: pow(1 - max(Normal dot Camera,0),Exponent)
class UMaterialExpressionFresnel : public [UMaterialExpression](API\Runtime\Engine\Materials\UMaterialExpression)
float
BaseReflectFraction
Specifies the fraction of specular reflection when the surfaces is viewed from straight on.
FExpressionInpu...
BaseReflectFractionIn
float
Exponent
The exponent to pass into the pow() function
FExpressionInpu...
ExponentIn
FExpressionInpu...
Normal
The normal to dot with the camera FVector